sakula | 083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c

General

Target

083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe
Size

58KB
MD5

26ac0d5b3c2e974ec79d2f77aeadc0d0
SHA1

efa55f765c4abfa24afb0a6375de5702ff7635de
SHA256

083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c
SHA512

63d06a23f52d9b3ca9e18762fd47b2559693678a2949d5f8111cf1942824832a2400b00ef73f2bce2f7df837ac96f3932add6c180833dc4956f6231e4dde9a41

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1784 MediaCenter.exe

pid	process
1784	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.189040"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4376"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893109701318852"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.709431"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4148"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.084459"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3904 PING.EXE

pid	process
3904	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3712	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.execmd.exe

description	pid	process	target process
PID 3712 wrote to memory of 1784	3712	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe	MediaCenter.exe
PID 3712 wrote to memory of 1784	3712	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe	MediaCenter.exe
PID 3712 wrote to memory of 1784	3712	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe	MediaCenter.exe
PID 3712 wrote to memory of 3356	3712	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe	cmd.exe
PID 3712 wrote to memory of 3356	3712	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe	cmd.exe
PID 3712 wrote to memory of 3356	3712	083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe	cmd.exe
PID 3356 wrote to memory of 3904	3356	cmd.exe	PING.EXE
PID 3356 wrote to memory of 3904	3356	cmd.exe	PING.EXE
PID 3356 wrote to memory of 3904	3356	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe
"C:\Users\Admin\AppData\Local\Temp\083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3712

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1784

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\083b9df1d95ccb2175d1ea6ecda08e65c772f94f74d2de9535c9f628e8ef6b8c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3356

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3904

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:896

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2964

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
885fc835bb9825900404cde8e7a98a11

SHA1
bc469380159fdb4d5d9ce005e38ed3dd43d30a12

SHA256
f2c2c05f85a8a0df39e9d85a4c6540ea2e61c704c2a38afc5ca78aabbc92d1ca

SHA512
0f3c5a34682fc61e81be39d8415c16509631ea8e1d0c5573e0089362141b14070b33332a30a845da2c94182fb3d12bf7e018ac2be281a390cc92e9d8aa1c420b

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
885fc835bb9825900404cde8e7a98a11

SHA1
bc469380159fdb4d5d9ce005e38ed3dd43d30a12

SHA256
f2c2c05f85a8a0df39e9d85a4c6540ea2e61c704c2a38afc5ca78aabbc92d1ca

SHA512
0f3c5a34682fc61e81be39d8415c16509631ea8e1d0c5573e0089362141b14070b33332a30a845da2c94182fb3d12bf7e018ac2be281a390cc92e9d8aa1c420b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads